In August, Brno typically sees daytime highs of 24.0°C and overnight lows around 12.7°C. Compared to the annual average high of 13.1°C, August runs +10.9°C.
August in Brno averages a daytime high of 24.0°C and an overnight low of 12.7°C.
August runs +10.9°C compared to Brno's annual average high of 13.1°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 24.0°C and cooler evenings around 12.7°C.